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发明名称
Thermionic cathodes
摘要
申请公布号
US2740914(A)
申请公布日期
1956.04.03
申请号
US19520298849
申请日期
1952.07.14
申请人
GENERAL ELECTRIC COMPANY
发明人
BOWTELL JAMES NORMAN;MILES EDWARD ERNEST
分类号
H01J61/067
主分类号
H01J61/067
代理机构
代理人
主权项
地址
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